Why ask a general question on the forum where everyone can answer and you would provide the answer to anyone else seeking it in the future? Because that would be the smart thing to do. PMing an admin about general modding will have severe consequences.

Talking about 1.3 is forbidden

No really, it's been years already and we have things far better on FFH to offer than that lame "difficulty" mod. If you're coming on FFH for 1.3, goodbye.

These new rules are now effective immediately

These things seriously get old, and it's very annoying to repeat ourselves over and over again. We have better things to do than personally babysit every newcomer. We're doing our best to help, but it would be much better if you made the effort to not make us want to cleave your head right off.

Modding version: PSX

Anything is possible as long as it is within the hardware's limits. (ie. disc space, RAM, Video RAM, processor, etc.)